JP6140269B2 - 映像符号化／復号化方法及び装置 - Google Patents

映像符号化／復号化方法及び装置 Download PDF

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Publication number: JP6140269B2
Authority: JP; Japan
Prior art keywords: quantization matrix; coefficient; value; quantization; matrix
Prior art date: 2012-04-16
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Active

Application number

JP2015505658A

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English (en)

Japanese (ja)

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JP2015516754A (ja

Inventor

リム、ソン、チャン

キム、フイ、ヨン

リー、ジン、ホ

チェ、ジン、ス

キム、ジン、ウン

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Electronics and Telecommunications Research Institute ETRI

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Electronics and Telecommunications Research Institute ETRI

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2012-04-16

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2013-04-16

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2017-05-31

2013-04-16 Application filed by Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI

2015-06-11 Publication of JP2015516754A publication Critical patent/JP2015516754A/ja

2017-05-31 Application granted granted Critical

2017-05-31 Publication of JP6140269B2 publication Critical patent/JP6140269B2/ja

Status Active legal-status Critical Current

2033-04-16 Anticipated expiration legal-status Critical

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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/96—Tree coding, e.g. quad-tree coding

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Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Compression Or Coding Systems Of Tv Signals (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)

JP2015505658A 2012-04-16 2013-04-16 映像符号化／復号化方法及び装置 Active JP6140269B2 (ja)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
KR10-2012-0039270		2012-04-16
KR20120039270		2012-04-16
KR10-2013-0041807		2013-04-16
KR1020130041807A KR101527445B1 (ko)	2012-04-16	2013-04-16	영상 부호화/복호화 방법 및 장치
PCT/KR2013/003203 WO2013157825A1 (ko)	2012-04-16	2013-04-16	영상 부호화/복호화 방법 및 장치

Publications (2)

Publication Number	Publication Date
JP2015516754A JP2015516754A (ja)	2015-06-11
JP6140269B2 true JP6140269B2 (ja)	2017-05-31

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JP2015505658A Active JP6140269B2 (ja)	2012-04-16	2013-04-16	映像符号化／復号化方法及び装置

Country Status (10)

Country	Link
US (9)	US9571841B2 (de)
EP (7)	EP3346707B1 (de)
JP (1)	JP6140269B2 (de)
KR (14)	KR101527445B1 (de)
CN (6)	CN111147851B (de)
BR (5)	BR122021005953B1 (de)
ES (3)	ES2664693T3 (de)
PL (4)	PL3346707T3 (de)
PT (1)	PT2840791T (de)
WO (1)	WO2013157825A1 (de)

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WO2020231228A1 (ko) *	2019-05-15	2020-11-19	현대자동차주식회사	영상 복호화 장치에서 이용하는 역양자화장치 및 방법
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MX2022001836A (es) *	2019-08-14	2022-03-17	Interdigital Vc Holdings France Sas	Prediccion de matriz de cuantificacion para codificacion y decodificacion de video.
EP4000258A4 (de) *	2019-08-20	2023-03-15	Beijing Bytedance Network Technology Co., Ltd.	Positionsbasierte koeffizientenskalierung
JP2021048532A (ja)	2019-09-19	2021-03-25	キヤノン株式会社	画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム
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Also Published As

Publication number	Publication date
CN111131820B (zh)	2022-05-31
US10455234B2 (en)	2019-10-22
PL3346707T3 (pl)	2021-05-04
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Publication	Publication Date	Title
JP6140269B2 (ja)	2017-05-31	映像符号化／復号化方法及び装置
KR102228577B1 (ko)	2021-03-16	양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치

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